Frequencies for first 10,000 rows of pct013e045 variable in sf12000860us31 dataset :

   67 to 69 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,841       98.41       98.41
          1 |        150        1.50       99.91
          2 |          8        0.08       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017